The School Hygiene Division shall be responsible for the prevention of communicable diseases in the schools through promoting vaccination against smallpox and the use of toxoid against diphtheria, and through ascertaining that children sick with communicable diseases are excluded. This Division shall also conduct examinations of school children at regular intervals for the purpose of discovering defects which may be remedied and shall notify the parents regarding the need for attention to vision, infections, nutrition, and postural defects and diseases.